controversial headline involving gatorade tonight and the one ingredient being taken out. Some say that ingredient was a flame retardant. Here, tonight, is tanya rivero. Reporter: Mississippi teen sarah kavanagh has shaken up the sports drink industry. The online petition she helped create forced gatorade to ditch a controversial ingredient. Pepsico has announced that it will remove it from the gatorade citrus version, used to keep the flavor consistent. But bvo as it's called shares an ingredient with some flame retardants. Has long before a focus of food safety advocates. The european union and japan ban bvo from all food products. This 15-year-old wrote, no one wants to gulp down flame retardant, especially from a drink they associate with being healthy, and over 200,000 consumers agreed. In a statement, pepsico said that while our products are safe, we're making this change because we know that some consumers have a negative perception of bvo in gatorade. The u.S. Food and drug administration hasn't reviewed BVO SINCE THE '70s. At that time they called for more testing, david, that still hasn't been done.

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